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Old 11-12-2014, 09:15 AM   #11
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There ARE 12 volt batteries that are true deep cycle. 6 volt batteries are generally taller in size. Some battery boxes restrict going to 6 volt for that reason. I was forced to keep 12 volt batteries but went to US batteries which are true deep cycle. You look at the AH on 6 volt and say "wow" thats a lot of power. But you need to keep in mind that it takes two 6 volt batteries to get you to that AH. Where a single 12 volt gets to that AH.
Very true 2x 220AH GC2 6V batteries are 220AH @ 12VDC!
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Old 11-12-2014, 10:16 AM   #12
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w/ (one) 12V "deep cycle/marine" battery, I was only able to go for a weekend before the battery was down too far - and that was with ensuring all lights were off when ever we walked out of the TT.

By Sunday morning, the water pump made the lighs flicker and I needed to plug into the TV to pull the slide in.

BUT NOW!!
I have (2) 6V deep cycle GC batteries, and I swapped out all interior lights with LEDs. So far I have gone 4 nights and the battery meter only dropped to 3 bars (2 bars w/water pump running).
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Old 11-12-2014, 01:40 PM   #13
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BUT NOW!!
I have (2) 6V deep cycle GC batteries, and I swapped out all interior lights with LEDs. So far I have gone 4 nights and the battery meter only dropped to 3 bars (2 bars w/water pump running).
I would highly recommend that you get at least an inexpensive digital voltage display (about $5-10 on Amazon), as those battery monitors that come with the TT are useless. They are about as accurate as the water levels in the gray/black tanks. If you discharge those batteries below 12VDC over and over again they will not last long. That habit could become quite expensive after awhile.

Start with an inexpensive meter to monitor your batteries voltage in the TT, then you can always upgrade to a better monitor later.

Just my thoughts,

Don
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Old 11-12-2014, 03:26 PM   #14
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I would highly recommend that you get at least an inexpensive digital voltage display (about $5-10 on Amazon), as those battery monitors that come with the TT are useless. They are about as accurate as the water levels in the gray/black tanks. If you discharge those batteries below 12VDC over and over again they will not last long. That habit could become quite expensive after awhile.

Start with an inexpensive meter to monitor your batteries voltage in the TT, then you can always upgrade to a better monitor later.

Just my thoughts,

Don
Dons right on the money. You need to know exactly where you are in voltage or you will inadvertently distroy your battery investment.
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Old 11-13-2014, 03:15 PM   #15
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Dons right on the money. You need to know exactly where you are in voltage or you will inadvertently distroy your battery investment.
I knew you all were going to mention a v meter. I will probably hook one up this winter.

Just tap into any 12V +/- lines right?
I have a 12V outlet behind my TV that I can probably use.
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Old 11-13-2014, 03:25 PM   #16
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Just tap into any 12V +/- lines right?
I have a 12V outlet behind my TV that I can probably use.
That was going to be my question. Are there options where in the 12V circuit you hook up the meter? If so, I have a perfect circuit in my control center, and a space that looks just about right for the display...
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Old 11-13-2014, 03:57 PM   #17
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I knew you all were going to mention a v meter. I will probably hook one up this winter.

Just tap into any 12V +/- lines right?
I have a 12V outlet behind my TV that I can probably use.
The best place, is to connect directly to the batteries, and run a thin cable from the batteries to your digital meter location. But..... if you want to just hook it up to the accessory outlet in the media center, that is A LOT BETTER than the stock idiot lights that came with the TT.

One recommendation would be to hook the digital meter directly up to the batteries and take a voltage reading (before installing it). Then wire it in to the accessory outlet and recalibrate it there (my original meter had an adjustment pot on the back of the meter), using the voltage reading you got at the battery. The difference is due to the voltage drop between the battery and the accessory outlet, which could be as much as 1/2 Volt to 1 Volt difference. That could make a difference in your operating time.

Just my thoughts,

Don
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